#!/usr/bin/dev python
#
number=56
for i in range(0,3):
    guess=int(input("please input the number: "))
    if guess == number:
        print("Congreatulations! you win!")
        break
    elif guess > number:
        print("guess number is big ")
    else:
        print("guess number is small")
        
else:
    print("Oops! you fail!")
